An isosceles triangle can have one obtuse angle and two equal acute angles whereas all three angles add up to 180 degrees.
1 acute angle = 1 acute angle
acute
That is an acute angle. An obtuse angle is not acute.
An acute angle
acute angle
An acute angle is an angle less than 90°. So an angle of 17° is an acute angle.
An acute angle has one angle.
This is an acute angle.
Acute angle = <90 degrees Right angle = 90 degrees Obtuse angle = >90 degrees To answer your question, obtuse angle is larger.
A complement of an acute angle must be an acute angle. An acute angle is an angle whose measure is more than 0 degrees but less than 90 degrees. For example, even if the angle was the minimum 1 degree, the complement is still 89 degrees, which is still acute. Therefore, any combination of a complement of an acute angle MUST be acute.
An angle less than 90 degrees is an acute angle.